John V. Williams

Ruby P. Kidd

Ruby Kidd worked for the Kellex Corporation at the K-25 Plant.

Paul B. Petretzky

Paul Petretzky worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Lyman G. Parratt

Lyman Parratt (1908-1995) was an American physicist. Parratt was born in Salt Lake City. He studied at the University of Utah and earned a Ph.

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